focus_controller.cc revision effb81e5f8246d0db0270817048dc992db66e9fb
12a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 22a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 32a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// found in the LICENSE file. 42a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 5a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/focus_controller.h" 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 72a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "base/auto_reset.h" 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/aura_constants.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/capture_client.h" 102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/client/focus_change_observer.h" 112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "ui/aura/env.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/aura/window_tracker.h" 13d0247b1b59f9c528cb6df88b4f2b9afaf80d181eTorne (Richard Coles)#include "ui/events/event.h" 14a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/focus_rules.h" 15a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)#include "ui/wm/core/window_util.h" 16effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch#include "ui/wm/public/activation_change_observer.h" 172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 18a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)namespace wm { 192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace { 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// When a modal window is activated, we bring its entire transient parent chain 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// to the front. This function must be called before the modal transient is 232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// stacked at the top to ensure correct stacking order. 242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void StackTransientParentsBelowModalWindow(aura::Window* window) { 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window->GetProperty(aura::client::kModalKey) != ui::MODAL_TYPE_WINDOW) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 28a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) aura::Window* transient_parent = wm::GetTransientParent(window); 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) while (transient_parent) { 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) transient_parent->parent()->StackChildAtTop(transient_parent); 31a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles) transient_parent = wm::GetTransientParent(transient_parent); 322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} // namespace 362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, public: 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)FocusController::FocusController(FocusRules* rules) 412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : active_window_(NULL), 422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_(NULL), 432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) updating_focus_(false), 442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) updating_activation_(false), 452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) rules_(rules), 46c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) observer_manager_(this) { 472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules); 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)FocusController::~FocusController() { 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::client::ActivationClient implementation: 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::AddObserver( 572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::ActivationChangeObserver* observer) { 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_.AddObserver(observer); 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::RemoveObserver( 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::ActivationChangeObserver* observer) { 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_.RemoveObserver(observer); 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::ActivateWindow(aura::Window* window) { 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FocusWindow(window); 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::DeactivateWindow(aura::Window* window) { 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FocusWindow(rules_->GetNextActivatableWindow(window)); 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetActiveWindow() { 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return active_window_; 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetActivatableWindow(aura::Window* window) { 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->GetActivatableWindow(window); 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetToplevelWindow(aura::Window* window) { 842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->GetToplevelWindow(window); 852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool FocusController::OnWillFocusWindow(aura::Window* window, 882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const ui::Event* event) { 892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) NOTREACHED(); 902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return false; 912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)bool FocusController::CanActivateWindow(aura::Window* window) const { 942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return rules_->CanActivateWindow(window); 952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::client::FocusClient implementation: 992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::AddObserver( 1012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer) { 1022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_.AddObserver(observer); 1032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::RemoveObserver( 1062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer) { 1072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_.RemoveObserver(observer); 1082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::FocusWindow(aura::Window* window) { 1112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window && 1122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) (window->Contains(focused_window_) || window->Contains(active_window_))) { 1132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 11658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // We should not be messing with the focus if the window has capture, unless 11758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // no has focus. 11858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (window && (aura::client::GetCaptureWindow(window) == window) && 11958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) focused_window_) { 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 12158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Focusing a window also activates its containing activatable window. Note 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that the rules could redirect activation activation and/or focus. 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* focusable = rules_->GetFocusableWindow(window); 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* activatable = 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focusable ? rules_->GetActivatableWindow(focusable) : NULL; 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // We need valid focusable/activatable windows in the event we're not clearing 1302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // focus. "Clearing focus" is inferred by whether or not |window| passed to 1312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // this function is non-NULL. 1322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window && (!focusable || !activatable)) 1332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK((focusable && activatable) || !window); 1352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1362a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Activation change observers may change the focused window. If this happens 1372a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we must not adjust the focus below since this will clobber that change. 1382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* last_focused_window = focused_window_; 1392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!updating_activation_) 140c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetActiveWindow(window, activatable); 1412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // If the window's ActivationChangeObserver shifted focus to a valid window, 1432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // we don't want to focus the window we thought would be focused by default. 1442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool activation_changed_focus = last_focused_window != focused_window_; 1452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!updating_focus_ && (!activation_changed_focus || !focused_window_)) { 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && focusable) 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(active_window_->Contains(focusable)); 1482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(focusable); 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1502a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::ResetFocusWithinActiveWindow(aura::Window* window) { 1532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(window); 1542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_window_) 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (!active_window_->Contains(window)) 1572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(window); 1592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1602a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)aura::Window* FocusController::GetFocusedWindow() { 1622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return focused_window_; 1632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, ui::EventHandler implementation: 1672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnKeyEvent(ui::KeyEvent* event) { 1682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnMouseEvent(ui::MouseEvent* event) { 1712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event->type() == ui::ET_MOUSE_PRESSED) 1722a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowFocusedFromInputEvent(static_cast<aura::Window*>(event->target())); 1732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnScrollEvent(ui::ScrollEvent* event) { 1762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnTouchEvent(ui::TouchEvent* event) { 1792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnGestureEvent(ui::GestureEvent* event) { 1822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (event->type() == ui::ET_GESTURE_BEGIN && 1832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) event->details().touch_points() == 1) { 1842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowFocusedFromInputEvent(static_cast<aura::Window*>(event->target())); 1852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1872a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1882a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 1892a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, aura::WindowObserver implementation: 1902a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1912a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowVisibilityChanged(aura::Window* window, 1922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool visible) { 19323730a6e56a168d1879203e4b3819bb36e3d8f1fTorne (Richard Coles) if (!visible) 1942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(window, window->parent()); 1952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 1962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 1972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowDestroying(aura::Window* window) { 1982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(window, window->parent()); 1992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowHierarchyChanging( 2022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const HierarchyChangeParams& params) { 2032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (params.receiver == active_window_ && 2042a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) params.target->Contains(params.receiver) && (!params.new_parent || 2052a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.new_parent) != 2062a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.receiver))) { 2072a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(params.receiver, params.old_parent); 2082a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2092a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2112a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::OnWindowHierarchyChanged( 2122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const HierarchyChangeParams& params) { 2132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (params.receiver == focused_window_ && 2142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) params.target->Contains(params.receiver) && (!params.new_parent || 2152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.new_parent) != 2162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::GetFocusClient(params.receiver))) { 2172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) WindowLostFocusFromDispositionChange(params.receiver, params.old_parent); 2182a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2192a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)//////////////////////////////////////////////////////////////////////////////// 2222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// FocusController, private: 2232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::SetFocusedWindow(aura::Window* window) { 2252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (updating_focus_ || window == focused_window_) 2262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules_->CanFocusWindow(window)); 2282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 2292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(window, rules_->GetFocusableWindow(window)); 2302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AutoReset<bool> updating_focus(&updating_focus_, true); 2322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* lost_focus = focused_window_; 2335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Allow for the window losing focus to be deleted during dispatch. If it is 2345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // deleted pass NULL to observers instead of a deleted window. 2355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::WindowTracker window_tracker; 2365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (lost_focus) 2375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Add(lost_focus); 2382a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (focused_window_ && observer_manager_.IsObserving(focused_window_) && 2392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ != active_window_) { 2402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Remove(focused_window_); 2412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ = window; 2432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (focused_window_ && !observer_manager_.IsObserving(focused_window_)) 2442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Add(focused_window_); 2452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::FocusChangeObserver, 2472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focus_observers_, 2485d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OnWindowFocused(focused_window_, 2495d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_focus) ? 2505d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) lost_focus : NULL)); 2515d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (window_tracker.Contains(lost_focus)) { 2525d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::FocusChangeObserver* observer = 2535d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::GetFocusChangeObserver(lost_focus); 2545d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) 2555d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowFocused(focused_window_, lost_focus); 2565d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2572a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::client::FocusChangeObserver* observer = 2585d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::GetFocusChangeObserver(focused_window_); 2595d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) { 2605d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowFocused( 2615d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) focused_window_, 2625d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_focus) ? lost_focus : NULL); 2635d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 2642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 2652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 266c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void FocusController::SetActiveWindow(aura::Window* requested_window, 267c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) aura::Window* window) { 268c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (updating_activation_) 2692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return; 2702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 271c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (window == active_window_) { 272c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (requested_window) { 273c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::ActivationChangeObserver, 274c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) activation_observers_, 275c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) OnAttemptToReactivateWindow(requested_window, 276c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) active_window_)); 277c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 278c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return; 279c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 280c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 2812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(rules_->CanActivateWindow(window)); 2822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window) 2832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK_EQ(window, rules_->GetActivatableWindow(window)); 2842a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 2852a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) base::AutoReset<bool> updating_activation(&updating_activation_, true); 2862a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* lost_activation = active_window_; 2875d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // Allow for the window losing activation to be deleted during dispatch. If 2885d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // it is deleted pass NULL to observers instead of a deleted window. 2895d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::WindowTracker window_tracker; 2905d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (lost_activation) 2915d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Add(lost_activation); 2922a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && observer_manager_.IsObserving(active_window_) && 2932a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) focused_window_ != active_window_) { 2942a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Remove(active_window_); 2952a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 2962a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_window_ = window; 2972a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_ && !observer_manager_.IsObserving(active_window_)) 2982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer_manager_.Add(active_window_); 2992a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (active_window_) { 3002a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) StackTransientParentsBelowModalWindow(active_window_); 3012a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) active_window_->parent()->StackChildAtTop(active_window_); 3022a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3032a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3045d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) aura::client::ActivationChangeObserver* observer = NULL; 3055d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (window_tracker.Contains(lost_activation)) { 3065d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer = aura::client::GetActivationChangeObserver(lost_activation); 3075d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) 3085d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowActivated(active_window_, lost_activation); 3095d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3102a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) observer = aura::client::GetActivationChangeObserver(active_window_); 3115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) if (observer) { 3125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) observer->OnWindowActivated( 3135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) active_window_, 3145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_activation) ? lost_activation : NULL); 3155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) } 3162a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) FOR_EACH_OBSERVER(aura::client::ActivationChangeObserver, 3172a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) activation_observers_, 3185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) OnWindowActivated(active_window_, 3195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) window_tracker.Contains(lost_activation) ? 3205d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) lost_activation : NULL)); 3212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::WindowLostFocusFromDispositionChange( 3242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* window, 3252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* next) { 3262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // A window's modality state will interfere with focus restoration during its 3272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // destruction. 3282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) window->ClearProperty(aura::client::kModalKey); 3292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // TODO(beng): See if this function can be replaced by a call to 3302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // FocusWindow(). 3312a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Activation adjustments are handled first in the event of a disposition 3322a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // changed. If an activation change is necessary, focus is reset as part of 3332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // that process so there's no point in updating focus independently. 3342a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (window == active_window_) { 3352a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) aura::Window* next_activatable = rules_->GetNextActivatableWindow(window); 336c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetActiveWindow(NULL, next_activatable); 337c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (!(active_window_ && active_window_->Contains(focused_window_))) 338c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) SetFocusedWindow(next_activatable); 3392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } else if (window->Contains(focused_window_)) { 3402a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Active window isn't changing, but focused window might be. 3412a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) SetFocusedWindow(rules_->GetFocusableWindow(next)); 3422a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 3432a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3442a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 3452a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void FocusController::WindowFocusedFromInputEvent(aura::Window* window) { 346c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // Only focus |window| if it or any of its parents can be focused. Otherwise 347c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // FocusWindow() will focus the topmost window, which may not be the 348c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) // currently focused one. 349c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (rules_->CanFocusWindow(GetToplevelWindow(window))) 350c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) FocusWindow(window); 3512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 3522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 353a1401311d1ab56c4ed0a474bd38c108f75cb0cd9Torne (Richard Coles)} // namespace wm 354